ASIX ELECTRONICS CORPORATION

2

AX88172

PRELIMINARY

CONTENTS

1.0 INTRODUCTION....................................................................................................................... 4

2.0 SIGNAL DESCRIPTION........................................................................................................... 6

3.0 EEPROM MEMORY MAPPING ............................................................................................ 9

4.0 USB COMMANDS ................................................................................................................... 11

5.0 USB CONFIGURATION STRUCTURE .............................................................................. 14

6.0 ELECTRICAL SPECIFICATION AND TIMINGS ............................................................ 15

6.4.1 12M_XIN ........................................................................................................................... 16

6.4.2 Reset Timing ...................................................................................................................... 16

6.4.3 MII Timing......................................................................................................................... 17

6.4.4 STATION MANAGEMENT TIMING................................................................................. 18

6.4.5 SERIAL EEPROM TIMING .............................................................................................. 19

7.0 PACKAGE INFORMATION.................................................................................................. 20

APPENDIX A: SYSTEM APPLICATIONS ................................................................................ 21

DEMONSTRATION CIRCUIT A: AX88172 (ED2 VERSION) + ETHERNET PHY(8201L)

........................................................................................................................................................... 22

DEMONSTRATION CIRCUIT B: AX88172 (ED3 VERSION) + ETHERNET PHY

(8201LBL) ........................................................................................................................................ 24

REMARK: ....................................................................................................................................... 26

REVISIONS HISTORY ................................................................................................................. 27